B01D 24/405
Special treatment of the feed stream before contacting the filtering material
Official title: {Special treatment of the feed stream before contacting the filtering material, e.g. cutting (B01D35/24, B01D37/02, B01D37/03 take precedence)}
B01D24/405 (Special treatment of the feed stream before contacting the filtering material) appears on 6 US grants and 4 published applications in this corpus.
Search patents in B01D- Granted patents
- 6
- Published applications
- 4
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 19 Apr 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter having spiral-shaped distributor channels19 Apr 2016US 9,314,719 B2McAlister Technologies, LLC
- Filter assembly with vortex fluid distributor27 May 2008US 7,378,019 B1Little Giant Pump Company
- Filtration device4 Apr 2006US 7,022,230 B2P & W Invest Vermoegens Verwaltungsgesellschaft M.B.H.
- Modular filtration system having removable filter element26 Jun 2001US 6,251,269 B1
- Single cell gas flotation separator with filter media7 Jan 1997US 5,591,347 AUnicel, Inc.
- Filter16 Jun 2022US 2022/0184533 A1Qua Korea Co.,Ltd
- Fluid distribution filter having spiral filter media and associated systems and methods15 Aug 2013US 2013/0206698 A1McAlister Technologies, LLC
- Filtration device7 Oct 2004US 2004/0195162 A1P & W Invest Vermoegens Verwaltungsgesellschaft M.B.H.
- Apparatus for the purification of liquids28 Feb 2002US 2002/0023869 A1
Most cited
By later US patents
- Single cell gas flotation separator with filter media31US 5,516,434 AUnicel, Inc. · 1996
- Filter assembly with vortex fluid distributor19US 7,378,019 B1Little Giant Pump Company · 2008
- Filtration device14US 7,022,230 B2P & W Invest Vermoegens Verwaltungsgesellschaft M.B.H. · 2006
- Modular filtration system having removable filter element12US 6,251,269 B12001
- Single cell gas flotation separator with filter media9US 5,591,347 AUnicel, Inc. · 1997